Fix and improve Javadoc in spring-webmvc

Closes gh-28789

spring-webmvc/src/test/java/org/springframework/web/servlet/config/annotation/WebMvcConfigurationSupportExtensionTests.java

@@ -94,7 +94,7 @@ import static org.springframework.http.MediaType.APPLICATION_JSON;
 import static org.springframework.http.MediaType.APPLICATION_XML;
 
 /**
- * A test fixture with a sub-class of {@link WebMvcConfigurationSupport} that also
+ * A test fixture with a subclass of {@link WebMvcConfigurationSupport} that also
  * implements the various {@link WebMvcConfigurer} extension points.
  *
  * The former doesn't implement the latter but the two must have compatible

spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/RequestMappingInfoHandlerMappingTests.java

@@ -321,7 +321,7 @@ class RequestMappingInfoHandlerMappingTests {
 		assertThat(matrixVariables.getFirst("year")).isEqualTo("2012");
 		assertThat(uriVariables.get("cars")).isEqualTo("cars");
 
-		// URI var with regex for path variable, and URI var for matrix params..
+		// URI var with regex for path variable, and URI var for matrix params.
 		request = new MockHttpServletRequest("GET", "/cars;colors=red,blue,green;year=2012");
 		handleMatch(mapping, request, "/{cars:[^;]+}{params}", request.getRequestURI());
 
@@ -336,7 +336,7 @@ class RequestMappingInfoHandlerMappingTests {
 			assertThat(uriVariables.get("params")).isEqualTo(";colors=red,blue,green;year=2012");
 		}
 
-		// URI var with regex for path variable, and (empty) URI var for matrix params..
+		// URI var with regex for path variable, and (empty) URI var for matrix params.
 		request = new MockHttpServletRequest("GET", "/cars");
 		handleMatch(mapping, request, "/{cars:[^;]+}{params}", request.getRequestURI());
 

spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/AbstractRequestAttributesArgumentResolverTests.java

@@ -48,7 +48,7 @@ import static org.mockito.Mockito.mock;
 
 /**
  * Base class for {@code @RequestAttribute} and {@code @SessionAttribute} method
- * method argument resolution tests.
+ * argument resolution tests.
  *
  * @author Rossen Stoyanchev
  * @since 4.3

spring-webmvc/src/test/java/org/springframework/web/servlet/mvc/method/annotation/RequestMappingHandlerAdapterIntegrationTests.java

@@ -359,7 +359,7 @@ public class RequestMappingHandlerAdapterIntegrationTests {
 		assertThat(response.getStatus()).isEqualTo(HttpStatus.ACCEPTED.value());
 		assertThat(new String(response.getContentAsByteArray(), "UTF-8")).isEqualTo("Handled requestBody=[Hello Server]");
 		assertThat(response.getHeader("header")).isEqualTo("headerValue");
-		// set because of @SesstionAttributes
+		// set because of @SessionAttributes
 		assertThat(response.getHeader("Cache-Control")).isEqualTo("no-store");
 	}